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import com.drew.imaging.ImageMetadataReader;
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import com.drew.imaging.ImageProcessingException;
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import com.drew.metadata.Directory;
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import com.drew.metadata.Metadata;
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import com.drew.metadata.Tag;
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import com.drew.metadata.exif.ExifSubIFDDirectory;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.stream.ImageInputStream;
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import java.io.File;
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import java.io.IOException;
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import java.util.Date;
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public class JpmTest {
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public void viewExif(String filePath) throws ImageProcessingException, IOException {
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File jpegFile = new File(filePath);
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Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
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// 打印所有Tag
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for (Directory directory : metadata.getDirectories()) {
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for (Tag tag : directory.getTags()) {
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System.out.println(tag);
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}
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}
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// obtain the Exif directory
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ExifSubIFDDirectory directory = metadata.getFirstDirectoryOfType(ExifSubIFDDirectory.class);
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// 查询特定Tag：拍摄日期（OS X上叫内容创建时间）
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Date date = directory.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
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}
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public static void main(String[] args) throws ImageProcessingException, IOException {
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// File file = new File("C:\\Users\\zhanghai\\Documents\\WeChat Files\\wxid_wexo4ubjorso22\\FileStorage\\File\\2023-11\\JP2/16-35数转模 - 0001.jp2");
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// ImageInfo imageInfo = Imaging.getImageInfo(file);
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// int height = imageInfo.getHeight();
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// int width = imageInfo.getWidth();
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// int physicalHeightDpi = imageInfo.getPhysicalHeightDpi();
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String filePath = "C:\\Users\\zhanghai\\Documents\\WeChat Files\\wxid_wexo4ubjorso22\\FileStorage\\File\\2023-11\\JP2/16-35数转模 - 0001.jp2"; // 替换成你的 JP2 图像文件路径
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try {
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// 读取 JPEG 2000 图像文件
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File inputFile = new File(filePath);
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BufferedImage image = ImageIO.read(inputFile);
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// ImageInfo imageInfo = Imaging.getImageInfo(inputFile);
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int height = image.getHeight();
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int width = image.getWidth();
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// int physicalHeightDpi = image.getPhysicalHeightDpi();
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System.out.println(height);
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System.out.println(width);
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} catch (IOException e) {
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e.printStackTrace();
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}
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new JpmTest().viewExif(filePath);
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}
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// public static void main3(String[] args) {
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//
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// String filePath = "C:\\Users\\zhanghai\\Documents\\WeChat Files\\wxid_wexo4ubjorso22\\FileStorage\\File\\2023-11\\JP2/16-35数转模 - 0001.jp2"; // 替换成你的 JP2 图像文件路径
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// try {
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// File inputFile = new File(filePath);
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//
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// Metadata metadata = ImageMetadataReader.readMetadata(inputFile);
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// ExifIFD0Directory exifIFD0Directory = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
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//
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// if (exifIFD0Directory != null) {
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// // Get X and Y DPI values
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// int xDpi = exifIFD0Directory.getInt(ExifIFD0Directory.TAG_X_RESOLUTION);
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// int yDpi = exifIFD0Directory.getInt(ExifIFD0Directory.TAG_Y_RESOLUTION);
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//
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// System.out.println("X DPI: " + xDpi);
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// System.out.println("Y DPI: " + yDpi);
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// } else {
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// System.out.println("DPI information not found in the metadata.");
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// }
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//
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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// }
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}
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